Home / 50,812.39-70,123.62-30,668.95

Finding the Fourth Proportional to 50,812.39, 70,123.62 and 30,668.95

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Solution

The fourth proportional to 50,812.39, 70,123.62 and 30,668.95 is: 42,324.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,812.39 : 70,123.62 = 30,668.95 : x
  2. Step 2: Convert to fraction form
    50,812.39/70,123.62 = 30,668.95/x
  3. Step 3: Cross multiply
    50,812.39x = 70,123.62 × 30,668.95
  4. Step 4: Simplify right side
    50,812.39x = 2,150,617,795.60
  5. Step 5: Solve for x
    x = 2,150,617,795.60/50,812.39
  6. Step 6: Final answer
    x = 42,324.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.